Williems is among the Age of Empires II players representing Switzerland. Williems has competed in 3548 Age of Empires II matches so far. Williems focuses mainly on ranked random map team matches.

Williems's best win rate is 68.3% with Dravidians in 41 matches. Playing on Steppe, Williems achieves their best results—72.2% wins over 36 matches. pocket is Williems's strongest position, boasting 54.9% wins across 1482 games.

RM Team records show Williems at a rating of 1578. Williems maintains a 53.6% win rate in their 3145 RM Team matches.